Several times higher according to my tables for an equivalent sized
battery.

RM

+AD4APg-Q.:     Zinc Air cells have superb energy densities - about twice that o
f
+AD4APg-Alkaline.Good for spacecraft?
+AD4APg-A        :-(  - No
+AD4APg-
+AD4-
+AD4-Zinc air with more energy densities than alkaline, I don't think so+ACE- Th
e
+AD4-good thing about these cells is that they have a very long shelf life,
just
+AD4-pull the plug when you need them.
+AD4-
+AD4-Dennis
+AD4-